Flag unreachable else blocks due to range overlap

[filiph]

if (a > 2) {
  doX();
} else if (a > 5) {
  doY();
}

[alexeieleusis]

This might be linted now that https://github.com/dart-lang/linter/pull/229 is merged. I might add a test to confirm @pq can you assign this to me?

[alexeieleusis]

it is not linted :(

[pq]

I might add a test to confirm @pq can you assign this to me?

Added you as a collaborator... Once you accept, you'll be free to add yourself! 😄

[filiph]

Is this in?

[alexeieleusis]

This is not linted.